Etymology of Chalk and Trachyandesite
Along with Chalk and Trachyandesite definition, know more about the etymology of Chalk and Trachyandesite. Etymology of Chalk and Trachyandesite gives information about origin and formation of a particular rock. Know more about Formation of Chalk and Formation of Trachyandesite. The etymology of Chalk is From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone while that of Trachyandesite is From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Chalk belongs to Sedimentary Rocks while Trachyandesite belongs to Igneous Rocks. The sub-class, group and other categories of Chalk and Trachyandesite are listed below.
For Chalk,
- Sub-class: Durable Rock and Soft Rock
- Group: Not applicable
- Other Categories: Fine grained rock and Opaque rock
For Trachyandesite,
- Sub-class: Durable Rock and Medium Hardness Rock
- Group: Volcanic
- Other Categories: Fine grained rock and Opaque rock